UAS/VAS issue in 2024

[JimCircadian]

• IceNet version: 0.2.8

Description

Running the operational forecasts, the wind channels in the southern hemisphere forecasting looks slightly awry. This appears to be related to expver being present in the data, which has caused a few issues. The data itself needs some investigation.

What I Did

Using icenet_data_era5 to replace the 2024 wind data after it got corrupted in the southern hemisphere.

[16-04-24 11:01:04 :INFO    ] - Download completed: /users/jambyr/hpc/icenet/temp/tmpni6o605v/latlon_2024.nc.download
[16-04-24 11:01:04 :INFO    ] - Downloaded to ./data/era5/south/vas/latlon_2024.nc
[16-04-24 11:01:04 :INFO    ] - Postprocessing CDS API data at ./data/era5/south/vas/latlon_2024.nc
[16-04-24 11:01:04 :DEBUG   ] - Moving to ./data/era5/south/vas/latlon_2024.bak.nc
/data/hpcdata/users/jambyr/miniconda3/envs/icenet/lib/python3.8/site-packages/gribapi/__init__.py:23: UserWarning: ecCodes 2.31.0 or higher is recomme
nded. You are running version 2.30.2
  warnings.warn(
[16-04-24 11:01:07 :DEBUG   ] - Could not import boto3, continuing with reduced functionality.
[16-04-24 11:02:02 :WARNING ] - expvers <xarray.DataArray 'expver' (expver: 2)>
array([1, 5], dtype=int32)
Coordinates:
  * expver   (expver) int32 1 5
Attributes:
    long_name:  expver in coordinates, will process out but this needs further work: expver needs storing for later overwriting
2024-04-16 11:03:52,196 INFO Download rate 2.8M/s
[16-04-24 11:03:52 :INFO    ] - Download rate 2.8M/s
[16-04-24 11:03:52 :INFO    ] - Download completed: /users/jambyr/hpc/icenet/temp/tmpmrqq51gw/latlon_2024.nc.download
[16-04-24 11:03:52 :INFO    ] - Downloaded to ./data/era5/south/uas/latlon_2024.nc
[16-04-24 11:03:52 :INFO    ] - Postprocessing CDS API data at ./data/era5/south/uas/latlon_2024.nc
[16-04-24 11:03:52 :DEBUG   ] - Moving to ./data/era5/south/uas/latlon_2024.bak.nc
[16-04-24 11:04:48 :WARNING ] - expvers <xarray.DataArray 'expver' (expver: 2)>
array([1, 5], dtype=int32)
Coordinates:
  * expver   (expver) int32 1 5
Attributes:
    long_name:  expver in coordinates, will process out but this needs further work: expver needs storing for later overwriting
[16-04-24 11:05:08 :INFO    ] - 2 daily files downloaded
[16-04-24 11:05:08 :DEBUG   ] - Regridding ./data/era5/south/vas/latlon_2024.nc

We do have handling, but I can't remember if it's operating correctly.

Running run_era5_forecast for forecasting produces two viable forecasts, but there are issues with the uas/vas channels in the south. Assets below:

Inputs

Outputs